/*
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)stdio.h	5.3 (Berkeley) 3/15/86
 */

/*
 * NB: to fit things in six character monocase externals, the
 * stdio code uses the prefix `__s' for stdio objects, typically
 * followed by a three-character attempt at a mnemonic.
 */

#ifndef _STDIO_H_
#define _STDIO_H_

#include "_ansi.h"

#define _FSTDIO /* ``function stdio'' */

#define __need_size_t
#define __need_NULL
#include <stddef.h>

#define __need___va_list
#include <stdarg.h>

/*
 * <sys/reent.h> defines __FILE, _fpos_t.
 * They must be defined there because struct _reent needs them (and we don't
 * want reent.h to include this file.
 */

#include <sys/reent.h>
#include <sys/types.h>

_BEGIN_STD_C

typedef __FILE FILE;

#ifdef __CYGWIN__
typedef _fpos64_t fpos_t;
#else
typedef _fpos_t fpos_t;
#ifdef __LARGE64_FILES
typedef _fpos64_t fpos64_t;
#endif
#endif /* !__CYGWIN__ */

#include <sys/stdio.h>

#define __SLBF 0x0001 /* line buffered */
#define __SNBF 0x0002 /* unbuffered */
#define __SRD 0x0004  /* OK to read */
#define __SWR 0x0008  /* OK to write */
                      /* RD and WR are never simultaneously asserted */
#define __SRW 0x0010  /* open for reading & writing */
#define __SEOF 0x0020 /* found EOF */
#define __SERR 0x0040 /* found error */
#define __SMBF 0x0080 /* _buf is from malloc */
#define __SAPP 0x0100 /* fdopen()ed in append mode - so must  write to end */
#define __SSTR 0x0200 /* this is an sprintf/snprintf string */
#define __SOPT 0x0400 /* do fseek() optimisation */
#define __SNPT 0x0800 /* do not do fseek() optimisation */
#define __SOFF 0x1000 /* set iff _offset is in fact correct */
#define __SORD 0x2000 /* true => stream orientation (byte/wide) decided */
#if defined(__CYGWIN__)
#define __SCLE 0x4000 /* convert line endings CR/LF <-> NL */
#endif
#define __SL64 0x8000 /* is 64-bit offset large file */

/* _flags2 flags */
#define __SWID 0x2000 /* true => stream orientation wide, false => byte, only valid if __SORD in _flags is true */

/*
 * The following three definitions are for ANSI C, which took them
 * from System V, which stupidly took internal interface macros and
 * made them official arguments to setvbuf(), without renaming them.
 * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
 *
 * Although these happen to match their counterparts above, the
 * implementation does not rely on that (so these could be renumbered).
 */
#define _IOFBF 0 /* setvbuf should set fully buffered */
#define _IOLBF 1 /* setvbuf should set line buffered */
#define _IONBF 2 /* setvbuf should set unbuffered */

#define EOF (-1)

#ifdef __BUFSIZ__
#define BUFSIZ __BUFSIZ__
#else
#define BUFSIZ 1024
#endif

#ifdef __FOPEN_MAX__
#define FOPEN_MAX __FOPEN_MAX__
#else
#define FOPEN_MAX 20
#endif

#ifdef __FILENAME_MAX__
#define FILENAME_MAX __FILENAME_MAX__
#else
#define FILENAME_MAX 1024
#endif

#ifdef __L_tmpnam__
#define L_tmpnam __L_tmpnam__
#else
#define L_tmpnam FILENAME_MAX
#endif

#ifndef __STRICT_ANSI__
#define P_tmpdir "/tmp"
#endif

#ifndef SEEK_SET
#define SEEK_SET 0 /* set file offset to offset */
#endif
#ifndef SEEK_CUR
#define SEEK_CUR 1 /* set file offset to current plus offset */
#endif
#ifndef SEEK_END
#define SEEK_END 2 /* set file offset to EOF plus offset */
#endif

#define TMP_MAX 26

#define stdin (_REENT->_stdin)
#define stdout (_REENT->_stdout)
#define stderr (_REENT->_stderr)

#define _stdin_r(x) ((x)->_stdin)
#define _stdout_r(x) ((x)->_stdout)
#define _stderr_r(x) ((x)->_stderr)

/*
 * Functions defined in ANSI C standard.
 */

#ifndef __VALIST
#ifdef __GNUC__
#define __VALIST __gnuc_va_list
#else
#define __VALIST char *
#endif
#endif

FILE *_EXFUN(tmpfile, (void));
char *_EXFUN(tmpnam, (char *));
int _EXFUN(fclose, (FILE *));
int _EXFUN(fflush, (FILE *));
FILE *_EXFUN(freopen, (const char *__restrict, const char *__restrict, FILE *__restrict));
void _EXFUN(setbuf, (FILE * __restrict, char *__restrict));
int _EXFUN(setvbuf, (FILE * __restrict, char *__restrict, int, size_t));
int _EXFUN(fprintf, (FILE * __restrict, const char *__restrict, ...)
                        _ATTRIBUTE((__format__(__printf__, 2, 3))));
int _EXFUN(fscanf, (FILE * __restrict, const char *__restrict, ...)
                       _ATTRIBUTE((__format__(__scanf__, 2, 3))));
int _EXFUN(printf, (const char *__restrict, ...)
                       _ATTRIBUTE((__format__(__printf__, 1, 2))));
int _EXFUN(scanf, (const char *__restrict, ...)
                      _ATTRIBUTE((__format__(__scanf__, 1, 2))));
int _EXFUN(sscanf, (const char *__restrict, const char *__restrict, ...)
                       _ATTRIBUTE((__format__(__scanf__, 2, 3))));
int _EXFUN(vfprintf, (FILE * __restrict, const char *__restrict, __VALIST)
                         _ATTRIBUTE((__format__(__printf__, 2, 0))));
int _EXFUN(vprintf, (const char *, __VALIST)
                        _ATTRIBUTE((__format__(__printf__, 1, 0))));
int _EXFUN(vsprintf, (char *__restrict, const char *__restrict, __VALIST)
                         _ATTRIBUTE((__format__(__printf__, 2, 0))));
int _EXFUN(fgetc, (FILE *));
char *_EXFUN(fgets, (char *__restrict, int, FILE *__restrict));
int _EXFUN(fputc, (int, FILE *));
int _EXFUN(fputs, (const char *__restrict, FILE *__restrict));
int _EXFUN(getc, (FILE *));
int _EXFUN(getchar, (void));
char *_EXFUN(gets, (char *));
int _EXFUN(putc, (int, FILE *));
int _EXFUN(putchar, (int));
int _EXFUN(puts, (const char *));
int _EXFUN(ungetc, (int, FILE *));
size_t _EXFUN(fread, (_PTR __restrict, size_t _size, size_t _n, FILE *__restrict));
size_t _EXFUN(fwrite, (const _PTR __restrict, size_t _size, size_t _n, FILE *));
#ifdef _COMPILING_NEWLIB
int _EXFUN(fgetpos, (FILE *, _fpos_t *));
#else
int _EXFUN(fgetpos, (FILE * __restrict, fpos_t *__restrict));
#endif
int _EXFUN(fseek, (FILE *, long, int));
#ifdef _COMPILING_NEWLIB
int _EXFUN(fsetpos, (FILE *, const _fpos_t *));
#else
int _EXFUN(fsetpos, (FILE *, const fpos_t *));
#endif
long _EXFUN(ftell, (FILE *));
void _EXFUN(rewind, (FILE *));
void _EXFUN(clearerr, (FILE *));
int _EXFUN(feof, (FILE *));
int _EXFUN(ferror, (FILE *));
void _EXFUN(perror, (const char *));
#ifndef _REENT_ONLY
FILE *_EXFUN(fopen, (const char *__restrict _name, const char *__restrict _type));
int _EXFUN(sprintf, (char *__restrict, const char *__restrict, ...)
                        _ATTRIBUTE((__format__(__printf__, 2, 3))));
int _EXFUN(remove, (const char *));
int _EXFUN(rename, (const char *, const char *));
#ifdef _COMPILING_NEWLIB
int _EXFUN(_rename, (const char *, const char *));
#endif
#endif
#if !defined(__STRICT_ANSI__) || defined(__USE_XOPEN2K)
#ifdef _COMPILING_NEWLIB
int _EXFUN(fseeko, (FILE *, _off_t, int));
_off_t _EXFUN(ftello, (FILE *));
#else
int _EXFUN(fseeko, (FILE *, off_t, int));
off_t _EXFUN(ftello, (FILE *));
#endif
#endif
#if !defined(__STRICT_ANSI__) || (__STDC_VERSION__ >= 199901L)
#ifndef _REENT_ONLY
int _EXFUN(asiprintf, (char **, const char *, ...)
                          _ATTRIBUTE((__format__(__printf__, 2, 3))));
char *_EXFUN(asniprintf, (char *, size_t *, const char *, ...)
                             _ATTRIBUTE((__format__(__printf__, 3, 4))));
char *_EXFUN(asnprintf, (char *__restrict, size_t *__restrict, const char *__restrict, ...)
                            _ATTRIBUTE((__format__(__printf__, 3, 4))));
int _EXFUN(asprintf, (char **__restrict, const char *__restrict, ...)
                         _ATTRIBUTE((__format__(__printf__, 2, 3))));
#ifndef diprintf
int _EXFUN(diprintf, (int, const char *, ...)
                         _ATTRIBUTE((__format__(__printf__, 2, 3))));
#endif
int _EXFUN(fcloseall, (_VOID));
int _EXFUN(fiprintf, (FILE *, const char *, ...)
                         _ATTRIBUTE((__format__(__printf__, 2, 3))));
int _EXFUN(fiscanf, (FILE *, const char *, ...)
                        _ATTRIBUTE((__format__(__scanf__, 2, 3))));
int _EXFUN(iprintf, (const char *, ...)
                        _ATTRIBUTE((__format__(__printf__, 1, 2))));
int _EXFUN(iscanf, (const char *, ...)
                       _ATTRIBUTE((__format__(__scanf__, 1, 2))));
int _EXFUN(siprintf, (char *, const char *, ...)
                         _ATTRIBUTE((__format__(__printf__, 2, 3))));
int _EXFUN(siscanf, (const char *, const char *, ...)
                        _ATTRIBUTE((__format__(__scanf__, 2, 3))));
int _EXFUN(snprintf, (char *__restrict, size_t, const char *__restrict, ...)
                         _ATTRIBUTE((__format__(__printf__, 3, 4))));
int _EXFUN(sniprintf, (char *, size_t, const char *, ...)
                          _ATTRIBUTE((__format__(__printf__, 3, 4))));
char *_EXFUN(tempnam, (const char *, const char *));
int _EXFUN(vasiprintf, (char **, const char *, __VALIST)
                           _ATTRIBUTE((__format__(__printf__, 2, 0))));
char *_EXFUN(vasniprintf, (char *, size_t *, const char *, __VALIST)
                              _ATTRIBUTE((__format__(__printf__, 3, 0))));
char *_EXFUN(vasnprintf, (char *, size_t *, const char *, __VALIST)
                             _ATTRIBUTE((__format__(__printf__, 3, 0))));
int _EXFUN(vasprintf, (char **, const char *, __VALIST)
                          _ATTRIBUTE((__format__(__printf__, 2, 0))));
int _EXFUN(vdiprintf, (int, const char *, __VALIST)
                          _ATTRIBUTE((__format__(__printf__, 2, 0))));
int _EXFUN(vfiprintf, (FILE *, const char *, __VALIST)
                          _ATTRIBUTE((__format__(__printf__, 2, 0))));
int _EXFUN(vfiscanf, (FILE *, const char *, __VALIST)
                         _ATTRIBUTE((__format__(__scanf__, 2, 0))));
int _EXFUN(vfscanf, (FILE * __restrict, const char *__restrict, __VALIST)
                        _ATTRIBUTE((__format__(__scanf__, 2, 0))));
int _EXFUN(viprintf, (const char *, __VALIST)
                         _ATTRIBUTE((__format__(__printf__, 1, 0))));
int _EXFUN(viscanf, (const char *, __VALIST)
                        _ATTRIBUTE((__format__(__scanf__, 1, 0))));
int _EXFUN(vscanf, (const char *, __VALIST)
                       _ATTRIBUTE((__format__(__scanf__, 1, 0))));
int _EXFUN(vsiprintf, (char *, const char *, __VALIST)
                          _ATTRIBUTE((__format__(__printf__, 2, 0))));
int _EXFUN(vsiscanf, (const char *, const char *, __VALIST)
                         _ATTRIBUTE((__format__(__scanf__, 2, 0))));
int _EXFUN(vsniprintf, (char *, size_t, const char *, __VALIST)
                           _ATTRIBUTE((__format__(__printf__, 3, 0))));
int _EXFUN(vsnprintf, (char *__restrict, size_t, const char *__restrict, __VALIST)
                          _ATTRIBUTE((__format__(__printf__, 3, 0))));
int _EXFUN(vsscanf, (const char *__restrict, const char *__restrict, __VALIST)
                        _ATTRIBUTE((__format__(__scanf__, 2, 0))));
#endif /* !_REENT_ONLY */
#endif /* !__STRICT_ANSI__ */

/*
 * Routines in POSIX 1003.1:2001.
 */

#ifndef __STRICT_ANSI__
#ifndef _REENT_ONLY
FILE *_EXFUN(fdopen, (int, const char *));
#endif
int _EXFUN(fileno, (FILE *));
int _EXFUN(getw, (FILE *));
int _EXFUN(pclose, (FILE *));
FILE *_EXFUN(popen, (const char *, const char *));
int _EXFUN(putw, (int, FILE *));
void _EXFUN(setbuffer, (FILE *, char *, int));
int _EXFUN(setlinebuf, (FILE *));
int _EXFUN(getc_unlocked, (FILE *));
int _EXFUN(getchar_unlocked, (void));
void _EXFUN(flockfile, (FILE *));
int _EXFUN(ftrylockfile, (FILE *));
void _EXFUN(funlockfile, (FILE *));
int _EXFUN(putc_unlocked, (int, FILE *));
int _EXFUN(putchar_unlocked, (int));
#endif /* ! __STRICT_ANSI__ */

/*
 * Routines in POSIX 1003.1:200x.
 */

#ifndef __STRICT_ANSI__
#ifndef _REENT_ONLY
#ifndef dprintf
int _EXFUN(dprintf, (int, const char *__restrict, ...)
                        _ATTRIBUTE((__format__(__printf__, 2, 3))));
#endif
FILE *_EXFUN(fmemopen, (void *__restrict, size_t, const char *__restrict));
/* getdelim - see __getdelim for now */
/* getline - see __getline for now */
FILE *_EXFUN(open_memstream, (char **, size_t *));
#if defined(__CYGWIN__)
int _EXFUN(renameat, (int, const char *, int, const char *));
#endif
int _EXFUN(vdprintf, (int, const char *__restrict, __VALIST)
                         _ATTRIBUTE((__format__(__printf__, 2, 0))));
#endif
#endif

/*
 * Recursive versions of the above.
 */

int _EXFUN(_asiprintf_r, (struct _reent *, char **, const char *, ...)
                             _ATTRIBUTE((__format__(__printf__, 3, 4))));
char *_EXFUN(_asniprintf_r, (struct _reent *, char *, size_t *, const char *, ...)
                                _ATTRIBUTE((__format__(__printf__, 4, 5))));
char *_EXFUN(_asnprintf_r, (struct _reent *, char *__restrict, size_t *__restrict, const char *__restrict, ...)
                               _ATTRIBUTE((__format__(__printf__, 4, 5))));
int _EXFUN(_asprintf_r, (struct _reent *, char **__restrict, const char *__restrict, ...)
                            _ATTRIBUTE((__format__(__printf__, 3, 4))));
int _EXFUN(_diprintf_r, (struct _reent *, int, const char *, ...)
                            _ATTRIBUTE((__format__(__printf__, 3, 4))));
int _EXFUN(_dprintf_r, (struct _reent *, int, const char *__restrict, ...)
                           _ATTRIBUTE((__format__(__printf__, 3, 4))));
int _EXFUN(_fclose_r, (struct _reent *, FILE *));
int _EXFUN(_fcloseall_r, (struct _reent *));
FILE *_EXFUN(_fdopen_r, (struct _reent *, int, const char *));
int _EXFUN(_fflush_r, (struct _reent *, FILE *));
int _EXFUN(_fgetc_r, (struct _reent *, FILE *));
char *_EXFUN(_fgets_r, (struct _reent *, char *__restrict, int, FILE *__restrict));
#ifdef _COMPILING_NEWLIB
int _EXFUN(_fgetpos_r, (struct _reent *, FILE *__restrict, _fpos_t *__restrict));
int _EXFUN(_fsetpos_r, (struct _reent *, FILE *, const _fpos_t *));
#else
int _EXFUN(_fgetpos_r, (struct _reent *, FILE *, fpos_t *));
int _EXFUN(_fsetpos_r, (struct _reent *, FILE *, const fpos_t *));
#endif
int _EXFUN(_fiprintf_r, (struct _reent *, FILE *, const char *, ...)
                            _ATTRIBUTE((__format__(__printf__, 3, 4))));
int _EXFUN(_fiscanf_r, (struct _reent *, FILE *, const char *, ...)
                           _ATTRIBUTE((__format__(__scanf__, 3, 4))));
FILE *_EXFUN(_fmemopen_r, (struct _reent *, void *__restrict, size_t, const char *__restrict));
FILE *_EXFUN(_fopen_r, (struct _reent *, const char *__restrict, const char *__restrict));
FILE *_EXFUN(_freopen_r, (struct _reent *, const char *__restrict, const char *__restrict, FILE *__restrict));
int _EXFUN(_fprintf_r, (struct _reent *, FILE *__restrict, const char *__restrict, ...)
                           _ATTRIBUTE((__format__(__printf__, 3, 4))));
int _EXFUN(_fpurge_r, (struct _reent *, FILE *));
int _EXFUN(_fputc_r, (struct _reent *, int, FILE *));
int _EXFUN(_fputs_r, (struct _reent *, const char *__restrict, FILE *__restrict));
size_t _EXFUN(_fread_r, (struct _reent *, _PTR __restrict, size_t _size, size_t _n, FILE *__restrict));
int _EXFUN(_fscanf_r, (struct _reent *, FILE *__restrict, const char *__restrict, ...)
                          _ATTRIBUTE((__format__(__scanf__, 3, 4))));
int _EXFUN(_fseek_r, (struct _reent *, FILE *, long, int));
int _EXFUN(_fseeko_r, (struct _reent *, FILE *, _off_t, int));
long _EXFUN(_ftell_r, (struct _reent *, FILE *));
_off_t _EXFUN(_ftello_r, (struct _reent *, FILE *));
void _EXFUN(_rewind_r, (struct _reent *, FILE *));
size_t _EXFUN(_fwrite_r, (struct _reent *, const _PTR __restrict, size_t _size, size_t _n, FILE *__restrict));
int _EXFUN(_getc_r, (struct _reent *, FILE *));
int _EXFUN(_getc_unlocked_r, (struct _reent *, FILE *));
int _EXFUN(_getchar_r, (struct _reent *));
int _EXFUN(_getchar_unlocked_r, (struct _reent *));
char *_EXFUN(_gets_r, (struct _reent *, char *));
int _EXFUN(_iprintf_r, (struct _reent *, const char *, ...)
                           _ATTRIBUTE((__format__(__printf__, 2, 3))));
int _EXFUN(_iscanf_r, (struct _reent *, const char *, ...)
                          _ATTRIBUTE((__format__(__scanf__, 2, 3))));
FILE *_EXFUN(_open_memstream_r, (struct _reent *, char **, size_t *));
void _EXFUN(_perror_r, (struct _reent *, const char *));
int _EXFUN(_printf_r, (struct _reent *, const char *__restrict, ...)
                          _ATTRIBUTE((__format__(__printf__, 2, 3))));
int _EXFUN(_putc_r, (struct _reent *, int, FILE *));
int _EXFUN(_putc_unlocked_r, (struct _reent *, int, FILE *));
int _EXFUN(_putchar_unlocked_r, (struct _reent *, int));
int _EXFUN(_putchar_r, (struct _reent *, int));
int _EXFUN(_puts_r, (struct _reent *, const char *));
int _EXFUN(_remove_r, (struct _reent *, const char *));
int _EXFUN(_rename_r, (struct _reent *,
                       const char *_old, const char *_new));
int _EXFUN(_scanf_r, (struct _reent *, const char *__restrict, ...)
                         _ATTRIBUTE((__format__(__scanf__, 2, 3))));
int _EXFUN(_siprintf_r, (struct _reent *, char *, const char *, ...)
                            _ATTRIBUTE((__format__(__printf__, 3, 4))));
int _EXFUN(_siscanf_r, (struct _reent *, const char *, const char *, ...)
                           _ATTRIBUTE((__format__(__scanf__, 3, 4))));
int _EXFUN(_sniprintf_r, (struct _reent *, char *, size_t, const char *, ...)
                             _ATTRIBUTE((__format__(__printf__, 4, 5))));
int _EXFUN(_snprintf_r, (struct _reent *, char *__restrict, size_t, const char *__restrict, ...)
                            _ATTRIBUTE((__format__(__printf__, 4, 5))));
int _EXFUN(_sprintf_r, (struct _reent *, char *__restrict, const char *__restrict, ...)
                           _ATTRIBUTE((__format__(__printf__, 3, 4))));
int _EXFUN(_sscanf_r, (struct _reent *, const char *__restrict, const char *__restrict, ...)
                          _ATTRIBUTE((__format__(__scanf__, 3, 4))));
char *_EXFUN(_tempnam_r, (struct _reent *, const char *, const char *));
FILE *_EXFUN(_tmpfile_r, (struct _reent *));
char *_EXFUN(_tmpnam_r, (struct _reent *, char *));
int _EXFUN(_ungetc_r, (struct _reent *, int, FILE *));
int _EXFUN(_vasiprintf_r, (struct _reent *, char **, const char *, __VALIST)
                              _ATTRIBUTE((__format__(__printf__, 3, 0))));
char *_EXFUN(_vasniprintf_r, (struct _reent *, char *, size_t *, const char *, __VALIST)
                                 _ATTRIBUTE((__format__(__printf__, 4, 0))));
char *_EXFUN(_vasnprintf_r, (struct _reent *, char *, size_t *, const char *, __VALIST)
                                _ATTRIBUTE((__format__(__printf__, 4, 0))));
int _EXFUN(_vasprintf_r, (struct _reent *, char **, const char *, __VALIST)
                             _ATTRIBUTE((__format__(__printf__, 3, 0))));
int _EXFUN(_vdiprintf_r, (struct _reent *, int, const char *, __VALIST)
                             _ATTRIBUTE((__format__(__printf__, 3, 0))));
int _EXFUN(_vdprintf_r, (struct _reent *, int, const char *__restrict, __VALIST)
                            _ATTRIBUTE((__format__(__printf__, 3, 0))));
int _EXFUN(_vfiprintf_r, (struct _reent *, FILE *, const char *, __VALIST)
                             _ATTRIBUTE((__format__(__printf__, 3, 0))));
int _EXFUN(_vfiscanf_r, (struct _reent *, FILE *, const char *, __VALIST)
                            _ATTRIBUTE((__format__(__scanf__, 3, 0))));
int _EXFUN(_vfprintf_r, (struct _reent *, FILE *__restrict, const char *__restrict, __VALIST)
                            _ATTRIBUTE((__format__(__printf__, 3, 0))));
int _EXFUN(_vfscanf_r, (struct _reent *, FILE *__restrict, const char *__restrict, __VALIST)
                           _ATTRIBUTE((__format__(__scanf__, 3, 0))));
int _EXFUN(_viprintf_r, (struct _reent *, const char *, __VALIST)
                            _ATTRIBUTE((__format__(__printf__, 2, 0))));
int _EXFUN(_viscanf_r, (struct _reent *, const char *, __VALIST)
                           _ATTRIBUTE((__format__(__scanf__, 2, 0))));
int _EXFUN(_vprintf_r, (struct _reent *, const char *__restrict, __VALIST)
                           _ATTRIBUTE((__format__(__printf__, 2, 0))));
int _EXFUN(_vscanf_r, (struct _reent *, const char *__restrict, __VALIST)
                          _ATTRIBUTE((__format__(__scanf__, 2, 0))));
int _EXFUN(_vsiprintf_r, (struct _reent *, char *, const char *, __VALIST)
                             _ATTRIBUTE((__format__(__printf__, 3, 0))));
int _EXFUN(_vsiscanf_r, (struct _reent *, const char *, const char *, __VALIST)
                            _ATTRIBUTE((__format__(__scanf__, 3, 0))));
int _EXFUN(_vsniprintf_r, (struct _reent *, char *, size_t, const char *, __VALIST)
                              _ATTRIBUTE((__format__(__printf__, 4, 0))));
int _EXFUN(_vsnprintf_r, (struct _reent *, char *__restrict, size_t, const char *__restrict, __VALIST)
                             _ATTRIBUTE((__format__(__printf__, 4, 0))));
int _EXFUN(_vsprintf_r, (struct _reent *, char *__restrict, const char *__restrict, __VALIST)
                            _ATTRIBUTE((__format__(__printf__, 3, 0))));
int _EXFUN(_vsscanf_r, (struct _reent *, const char *__restrict, const char *__restrict, __VALIST)
                           _ATTRIBUTE((__format__(__scanf__, 3, 0))));

/* Other extensions.  */

int _EXFUN(fpurge, (FILE *));
ssize_t _EXFUN(__getdelim, (char **, size_t *, int, FILE *));
ssize_t _EXFUN(__getline, (char **, size_t *, FILE *));

#ifdef __LARGE64_FILES
#if !defined(__CYGWIN__) || defined(_COMPILING_NEWLIB)
FILE *_EXFUN(fdopen64, (int, const char *));
FILE *_EXFUN(fopen64, (const char *, const char *));
FILE *_EXFUN(freopen64, (_CONST char *, _CONST char *, FILE *));
_off64_t _EXFUN(ftello64, (FILE *));
_off64_t _EXFUN(fseeko64, (FILE *, _off64_t, int));
int _EXFUN(fgetpos64, (FILE *, _fpos64_t *));
int _EXFUN(fsetpos64, (FILE *, const _fpos64_t *));
FILE *_EXFUN(tmpfile64, (void));

FILE *_EXFUN(_fdopen64_r, (struct _reent *, int, const char *));
FILE *_EXFUN(_fopen64_r, (struct _reent *, const char *, const char *));
FILE *_EXFUN(_freopen64_r, (struct _reent *, _CONST char *, _CONST char *, FILE *));
_off64_t _EXFUN(_ftello64_r, (struct _reent *, FILE *));
_off64_t _EXFUN(_fseeko64_r, (struct _reent *, FILE *, _off64_t, int));
int _EXFUN(_fgetpos64_r, (struct _reent *, FILE *, _fpos64_t *));
int _EXFUN(_fsetpos64_r, (struct _reent *, FILE *, const _fpos64_t *));
FILE *_EXFUN(_tmpfile64_r, (struct _reent *));
#endif /* !__CYGWIN__ */
#endif /* __LARGE64_FILES */

/*
 * Routines internal to the implementation.
 */

int _EXFUN(__srget_r, (struct _reent *, FILE *));
int _EXFUN(__swbuf_r, (struct _reent *, int, FILE *));

/*
 * Stdio function-access interface.
 */

#ifndef __STRICT_ANSI__
#ifdef __LARGE64_FILES
FILE *_EXFUN(funopen, (const _PTR __cookie,
                       int (*__readfn)(_PTR __c, char *__buf,
                                       _READ_WRITE_BUFSIZE_TYPE __n),
                       int (*__writefn)(_PTR __c, const char *__buf,
                                        _READ_WRITE_BUFSIZE_TYPE __n),
                       _fpos64_t (*__seekfn)(_PTR __c, _fpos64_t __off, int __whence),
                       int (*__closefn)(_PTR __c)));
FILE *_EXFUN(_funopen_r, (struct _reent *, const _PTR __cookie,
                          int (*__readfn)(_PTR __c, char *__buf,
                                          _READ_WRITE_BUFSIZE_TYPE __n),
                          int (*__writefn)(_PTR __c, const char *__buf,
                                           _READ_WRITE_BUFSIZE_TYPE __n),
                          _fpos64_t (*__seekfn)(_PTR __c, _fpos64_t __off, int __whence),
                          int (*__closefn)(_PTR __c)));
#else
FILE *_EXFUN(funopen, (const _PTR __cookie,
                       int (*__readfn)(_PTR __cookie, char *__buf,
                                       _READ_WRITE_BUFSIZE_TYPE __n),
                       int (*__writefn)(_PTR __cookie, const char *__buf,
                                        _READ_WRITE_BUFSIZE_TYPE __n),
                       fpos_t (*__seekfn)(_PTR __cookie, fpos_t __off, int __whence),
                       int (*__closefn)(_PTR __cookie)));
FILE *_EXFUN(_funopen_r, (struct _reent *, const _PTR __cookie,
                          int (*__readfn)(_PTR __cookie, char *__buf,
                                          _READ_WRITE_BUFSIZE_TYPE __n),
                          int (*__writefn)(_PTR __cookie, const char *__buf,
                                           _READ_WRITE_BUFSIZE_TYPE __n),
                          fpos_t (*__seekfn)(_PTR __cookie, fpos_t __off, int __whence),
                          int (*__closefn)(_PTR __cookie)));
#endif /* !__LARGE64_FILES */

#define fropen(__cookie, __fn) funopen(__cookie, __fn, (int (*)())0, \
                                       (fpos_t(*)())0, (int (*)())0)
#define fwopen(__cookie, __fn) funopen(__cookie, (int (*)())0, __fn, \
                                       (fpos_t(*)())0, (int (*)())0)

typedef ssize_t cookie_read_function_t(void *__cookie, char *__buf, size_t __n);
typedef ssize_t cookie_write_function_t(void *__cookie, const char *__buf,
                                        size_t __n);
#ifdef __LARGE64_FILES
typedef int cookie_seek_function_t(void *__cookie, _off64_t *__off,
                                   int __whence);
#else
typedef int cookie_seek_function_t(void *__cookie, off_t *__off, int __whence);
#endif /* !__LARGE64_FILES */
typedef int cookie_close_function_t(void *__cookie);
typedef struct
{
  /* These four struct member names are dictated by Linux; hopefully,
     they don't conflict with any macros.  */
  cookie_read_function_t *read;
  cookie_write_function_t *write;
  cookie_seek_function_t *seek;
  cookie_close_function_t *close;
} cookie_io_functions_t;
FILE *_EXFUN(fopencookie, (void *__cookie,
                           const char *__mode, cookie_io_functions_t __functions));
FILE *_EXFUN(_fopencookie_r, (struct _reent *, void *__cookie,
                              const char *__mode, cookie_io_functions_t __functions));
#endif /* ! __STRICT_ANSI__ */

#ifndef __CUSTOM_FILE_IO__
/*
 * The __sfoo macros are here so that we can 
 * define function versions in the C library.
 */
#define __sgetc_raw_r(__ptr, __f) (--(__f)->_r < 0 ? __srget_r(__ptr, __f) : (int)(*(__f)->_p++))

#ifdef __SCLE
/*  For a platform with CR/LF, additional logic is required by
  __sgetc_r which would otherwise simply be a macro; therefore we
  use an inlined function.  The function is only meant to be inlined
  in place as used and the function body should never be emitted.  

  There are two possible means to this end when compiling with GCC,
  one when compiling with a standard C99 compiler, and for other
  compilers we're just stuck.  At the moment, this issue only
  affects the Cygwin target, so we'll most likely be using GCC. */

_ELIDABLE_INLINE int __sgetc_r(struct _reent *__ptr, FILE *__p);

_ELIDABLE_INLINE int __sgetc_r(struct _reent *__ptr, FILE *__p)
{
  int __c = __sgetc_raw_r(__ptr, __p);
  if ((__p->_flags & __SCLE) && (__c == '\r'))
  {
    int __c2 = __sgetc_raw_r(__ptr, __p);
    if (__c2 == '\n')
      __c = __c2;
    else
      ungetc(__c2, __p);
  }
  return __c;
}
#else
#define __sgetc_r(__ptr, __p) __sgetc_raw_r(__ptr, __p)
#endif

#ifdef _never /* __GNUC__ */
/* If this inline is actually used, then systems using coff debugging
   info get hopelessly confused.  21sept93 rich@cygnus.com.  */
_ELIDABLE_INLINE int __sputc_r(struct _reent *_ptr, int _c, FILE *_p)
{
  if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
    return (*_p->_p++ = _c);
  else
    return (__swbuf_r(_ptr, _c, _p));
}
#else
/*
 * This has been tuned to generate reasonable code on the vax using pcc
 */
#define __sputc_raw_r(__ptr, __c, __p) \
  (--(__p)->_w < 0 ? (__p)->_w >= (__p)->_lbfsize ? (*(__p)->_p = (__c)), *(__p)->_p != '\n' ? (int)*(__p)->_p++ : __swbuf_r(__ptr, '\n', __p) : __swbuf_r(__ptr, (int)(__c), __p) : (*(__p)->_p = (__c), (int)*(__p)->_p++))
#ifdef __SCLE
#define __sputc_r(__ptr, __c, __p)               \
  ((((__p)->_flags & __SCLE) && ((__c) == '\n')) \
       ? __sputc_raw_r(__ptr, '\r', (__p))       \
       : 0,                                      \
   __sputc_raw_r((__ptr), (__c), (__p)))
#else
#define __sputc_r(__ptr, __c, __p) __sputc_raw_r(__ptr, __c, __p)
#endif
#endif

#define __sfeof(p) (((p)->_flags & __SEOF) != 0)
#define __sferror(p) (((p)->_flags & __SERR) != 0)
#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR | __SEOF)))
#define __sfileno(p) ((p)->_file)

#ifndef _REENT_SMALL
#define feof(p) __sfeof(p)
#define ferror(p) __sferror(p)
#define clearerr(p) __sclearerr(p)
#endif

#if 0 /*ndef __STRICT_ANSI__ - FIXME: must initialize stdio first, use fn */
#define fileno(p) __sfileno(p)
#endif

#ifndef __CYGWIN__
#ifndef lint
#define getc(fp) __sgetc_r(_REENT, fp)
#define putc(x, fp) __sputc_r(_REENT, x, fp)
#endif /* lint */
#endif /* __CYGWIN__ */

#ifndef __STRICT_ANSI__
/* fast always-buffered version, true iff error */
#define fast_putc(x, p) (--(p)->_w < 0 ? __swbuf_r(_REENT, (int)(x), p) == EOF : (*(p)->_p = (x), (p)->_p++, 0))

#define L_cuserid 9 /* posix says it goes in stdio.h :( */
#ifdef __CYGWIN__
#define L_ctermid 16
#endif
#endif

#endif /* !__CUSTOM_FILE_IO__ */

#define getchar() getc(stdin)
#define putchar(x) putc(x, stdout)

_END_STD_C

#endif /* _STDIO_H_ */
